金屬硫化物陶瓷摩擦材料的制備與性能研究.pdf

1、武漢理工大學碩士學位論文金屬硫化物陶瓷摩擦材料的制備與性能研究姓名：李雙君申請學位級別：碩士專業(yè)：物理化學指導教師：魏明坤20100501武漢理工大學碩士學位論文AbstractInrecentyears，therapiddevelopmentofautomobileindustryfrictionmaterialsforautomotivedemandisalsorisingAtpresent，manynewnonasbestosfr

2、ictionmaterialoftheoverallperformancehasbeengreatlyimprovedbuttherearestillmanyproblems，notwhatkindofnewnonasbestosfrictionmaterialcanfullysatisfytheautomotiveindustrydevelopmentrequirementsExcellentperformanceandthusdev

3、elopnewhighercostofnonasbestosbrakepadsathomeandabroadofthemaindirectionofscientificresearchinstitutionsButtheuseofthecharacteristicsoflOWmeltingpointmetalsulfides，inhiscapacityassinteringagent，addingotheradditivessinter

4、ingmetalsulfidesfrictionmaterialslargelyunreportedTheissueusesS，Sn，Sb2S3assinteringagent，steelfibersasthetougheningagent，togetherwithFe3AI，A1203powderbygrindingagent，graphite，molybdenumdisulfidelubricantpressureinthemold

5、ing360MPa，thesinteringtemperatureis500℃，preparationofmetalsulfideceramicfrictionmaterialPreparationofrawmaterialsobtainedbydifferentsulfurcontentofmetalsulfideceramicfrictionmaterialmechanicalproperties，frictionpropertie

6、sandmicrostructureofcomparison，todeterminethemetalsulfideceramicfrictionmaterialsinthebestofS，Sn，Sb2S3contentratioTheresultsforthemetalsulfideceramicfrictionmaterialsS：Sn：Sb2S3was3：7：15(叭％)relativeperformanceisbetterwhen

7、thecompressivestrengthis1004MPa，hardnessis61HBaDeterminethemetalsulfideceramicfrictionmaterialcompositionformulathedifferenceinthemoldingpressure280MPa，320MPa，360MPa400MPaonthesamplematerialisextrudedinthesinteringtemper

8、atureis500。Csamplesweresinteredmaterial，ThenonthemetalsulfideceramicfrictionmaterialperformanceunderdifferentformingpressurewerecomparedExperimentalresultswhenthemoldingpressureis320MPa，thematerialhasarelativelyoptimumpe

9、rformance，compressivestrengthof1066MPahardnessof692HBaIndeterminingthemetalsulfideceramicfrictionmaterialformingpressureof320MPa，thenatsinteringtemperature450“C，500。C，550。C，600Cofthesamplesweresinteredmaterial，andthenthe